SELECT 
  cscart_seo_names.object_id AS product_id, 
  cscart_seo_names.name AS seo_name, 
  cscart_seo_names.path AS seo_path 
FROM 
  cscart_seo_names 
WHERE 
  cscart_seo_names.object_id IN (1338, 1233, 1324, 1323) 
  AND cscart_seo_names.type = "p" 
  AND cscart_seo_names.dispatch = "" 
  AND cscart_seo_names.lang_code = 'en'

Query time 0.00035

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.00817788,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_seo_names",
          "access_type": "range",
          "possible_keys": ["PRIMARY", "dispatch"],
          "key": "PRIMARY",
          "key_length": "206",
          "used_key_parts": ["object_id", "type", "dispatch", "lang_code"],
          "loops": 1,
          "rows": 4,
          "cost": 0.00817788,
          "filtered": 100,
          "attached_condition": "cscart_seo_names.object_id in (1338,1233,1324,1323) and cscart_seo_names.`type` = 'p' and cscart_seo_names.dispatch = '' and cscart_seo_names.lang_code = 'en'"
        }
      }
    ]
  }
}

Result

product_id seo_name seo_path
1233 commercial-max-oval-steel-accessory 267
1323 commercial-max-oval-steel-accessory-100mm-conduit-carrier-with-caps-and-3-brackets 267
1324 commercial-max-oval-steel-accessory-100mm-conduit-carrier-caps-and-3-brackets-no-pipw 267
1338 commercial-max-single-roller-bracket-and-roller 267